Express Employment Professionals of Walla Walla, WA 115 S 3rd Ave Walla Walla, WA 99362 (509) 593-0693 Express Employment in Walla Walla, WA is a full-service staffing agency that continually exceeds expectations by providing permanent, part-time and temporary placement services to companies in our community, while also helping job seekers find employment. read full review »